Python Coding challenge - Day 491| What is the output of the following Python Code?

 

Code Explanation:

1. List Initialization

funcs = []

Creates an empty list named funcs.

This will store lambda functions.

2. For Loop to Append Lambdas

for i in range(3):

    funcs.append(lambda: i)

Breakdown:

range(3) produces: 0, 1, 2

On each iteration:

A lambda function is created: lambda: i

This function returns the value of i when it's called later.

This lambda is added to the funcs list.

 Important:

The lambda captures the variable i, not its value at that moment.

All 3 lambdas end up referring to the same i, which becomes 2 at the end of the loop.

So, this is not the same as storing lambda: 0, lambda: 1, and lambda: 2.

3. Call Each Lambda Function

for f in funcs:

    print(f())

Now, we loop through each function in funcs and call it.

But recall: each lambda refers to the same variable i, which is now 2.

So, this prints:

2

2

2

Final Output

2

2

2